max boost of stock turbo [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: max boost of stock turbo


odee
07-10-2005, 02:09 PM
What is the max boost one would see from the stock gm turbos if the waste gate is fouled open?

quantum mechanic
07-10-2005, 03:41 PM
0 psi. If the waste gate is open don't expect to see anything.

If you put an adjustable spring and flash/fooler you can see 21 psi on a cold day.

odee
07-10-2005, 11:43 PM
So if one puts a constant vaccum on the pod for the waste gate would it be open or closed? I have just gotten my engine running on a diesel swap into my truck. I was told to put a full vaccum on this till I get something made like the heath turbo master or buy one.

quantum mechanic
07-11-2005, 12:05 AM
vacuum/spring tension closes the waste gate. Don't feel bad I couldn't visualize it so I took mine apart and took pictures of it for all to see about a year ago.